Of all the days that will "live in infamy" in American history, two stand out: Sept. 11, 2001, and Dec. 7, 1941.

But why did Japan, with a 10th of our industrial power, launch a sneak attack on the U.S. fleet at Pearl Harbor, an act of state terror that must ignite a war to the death it could not win? Were they insane? No, the Japanese were desperate.